In contemporary management studies, significant attention has been devoted to knowledge and knowledge management issues. Although in philosophical studies knowledge related issues are not new, in management studies they are still considered new. International tourism, operating across borders, offers a unique opportunity to analyse a specific type of knowledge and its importance in management. In this article, key principles of intercultural communication are analysed as part of tacit knowledge of international tourism organization, and the importance of integration of intercultural competences into management of international tourism organization is defined.